What is CVE-2021-34401?

CVE-2021-34401 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10, classified as a Improper Access Control flaw (CWE-284). CVE-2021-34401 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2021-34401?

CVE-2021-34401 has a CVSS score of 7.8 out of 10, rated High severity. The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Is there a patch available for CVE-2021-34401?

No patch is currently available for CVE-2021-34401. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2021-34401 actively exploited?

CVE-2021-34401 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is Improper Access Control (CWE-284)?

The product does not restrict or incorrectly restricts access to a resource from an unauthorised actor. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/284.html

CVE-2021-34401

High

NVIDIA Linux kernel distributions contain a vulnerability in nvmap NVGPU_IOCTL_CHANNEL_SET_ERROR_NOTIFIER, where improper access control may lead to code execution, compromised integrity, or denial of service.

Package Linux Kernel

Published 2022-01-18

Last modified 2024-11-21

CVSS version 3.1

Patch available

Awaiting data

CVSS 3.1 score

7.8

out of 10

High

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Vector string

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness type

CWE-284

CVE-2021-34401 is a Improper Access Control vulnerability

What is Improper Access Control?

The product does not restrict or incorrectly restricts access to a resource from an unauthorised actor. Learn more on MITRE CWE

References

The following references provide additional information about CVE-2021-34401 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Nvidia
https://nvidia.custhelp.com/app/answers/detail/a_id/5259

Vendor Advisory

Details

CVE ID CVE-2021-34401

Severity High

CVSS score 7.8 / 10

CVSS version 3.1

Published 2022-01-18

Modified 2024-11-21

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2021-34401?

CVE-2021-34401 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10 , classified as an Improper Access Control flaw (CWE-284) . CVE-2021-34401 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2021-34401?

CVE-2021-34401 has a CVSS score of 7.8 out of 10, rated High severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Is there a patch available for CVE-2021-34401?

No patch is currently available for CVE-2021-34401. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2021-34401 actively exploited?

No — CVE-2021-34401 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
What is Improper Access Control (CWE-284)?

The product does not restrict or incorrectly restricts access to a resource from an unauthorised actor. View CWE-284 on MITRE CWE →